Soluble precursor to poly (cyanoterephthalydene) and method of p

Details Soluble precursor to poly (cyanoterephthalydene) and method of p Soluble precursor to poly (cyanoterephthalydene) and method of p

1994-10-11

1995-12-05

Seidleck, James J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

528312, 528316, 528314, 528318, C08G 7310

Patent

active

054730473

ABSTRACT:
A method of preparing a lass of PPV derivatives includes preparing a soluble precursor of a PPV derivative and converting the soluble precursor to a PPV derivative. The converting includes performing either a thermal treatment in a range of temperatures from approximately 25.degree. C. to 400.degree. C. at a reduced pressure or an acid-catalyzed ultraviolet radiation treatment.

REFERENCES:
patent: 4766198 (1988-08-01), Harper
patent: 4808681 (1989-02-01), Harper et al.
patent: 5185100 (1993-02-01), Han et al.
patent: 5189136 (1993-02-01), Wudl et al.
Robert W. Lenz et al., "Thermally Stable Hydrocarbon Polymers: Polyterephthalylidenes", J. Org Chem, May 1960, pp. 813-817.
N. C. Greenham et al., "Efficient Light-Emitting Diodes Based on Polymers With High Electron Affinities", Nature, 1993, pp. 628-630.

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